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A horizontal pipeline is designed for a given E (epsilon), L, Q (flow rate), density, viscosity, and change in pressure, and the resulting diameter is calculated to be a certain value D. It is then found that scaling or corrosion is likely to occur, and that E may rise tenfold, giving f (Fanning friction factor) about twice as large as originally thought. In order to maintain the same values for Q and change in pressure, by what ratio should the design diameter be increased over its original value to allow for scaling and corrosion?
one kilogram of water contained in a piston-cylinder assembly initially at 160oc 150 kpa undergoes an isothermal
1. steam is supplied dry saturated at 40 bar to a turbine and the condenser pressure is 0.035 bar. if the plant
a heavily insulated piston-cylinder device contains a gas which is initially at 5 bars and 187 degc and occupies 0.1
on an assembly line that fills 8-ounce cans a can will be rejected if its weight is less than 7.90 ounces. in a large
On a single graph, plot "Hardness" as the ordinate versus "Aging Time" as the abscissa for each aging temperature - Discuss the effect of aging time and temperature on the effect of material hardness.
Demonstrate suitable accuracy by using a simple hand calculation for the static analysis of the structure. Describe in detail the hand calculations performed to validate the final solution. What is the approximate error between the simplified hand..
Water flows at a rate of 20 l/s through a horz pipe dia .03 m. The pressure drop across the valve in the pipe is measured to be 2 kPa. Determine the irreversible head loss of the valve, and the useful pumping power needed to overcome the resulting..
a 1 inch schedule 10 copper pipe carries 10 gpm of brine at -5 degrees c. the ambient air is at 20 degrees c and has a
Determine the heat transport rate of energy through an animal skull where average inside surface temperature is 95 degrees farinhiet and whose out outside surface temperature is 90 F. Assume the skull is a spherical shell 7.5 inches in outside dia..
a refrigeration system has a coefficient of performance of 5. the heat rejection is an isothermal process at 37c. what
an extruded beam has the cross section shown and a uniform wall thikness of 3mm. for a vertical shear of 1.2 kips
hydrogen at 25 bar 450degc enters an adiabatic turbine and expands to 2 bar 160degc with a mass flow rate of 0.2 kgs.
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